#pragma once

#include <iostream>

using namespace std;

class Date
{
public:
	Date(int year = 1, int month = 1, int day = 1)
	{
		_year = year;
		_month = month;
		_day = day;
	}

	int GetMonthDay(int year, int month)
	{
		static int day[13] = { -1, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };
		if (month == 2 && (year % 4 == 0 && year % 100 != 0 || year % 400 == 0))
			return 29;
		else
			return day[month];
	}

	Date& operator=(const Date& d);

	Date& operator+=(int day);

	Date operator+(int day);

	Date& operator-=(int day);

	Date operator-(int day);

	bool operator<(const Date& d);

	bool operator==(const Date& d);

	int operator-(const Date& d);

	void print();
private:
	int _year;
	int _month;
	int _day;
};